Seal for a doctor blade chamber device for a printing machine



FIG. 1 is a perspective view taken from the top, front and left end of a seal for a doctor blade chamber device for a printing machine;

FIG. 2 is a bottom plan view of the design;

FIG. 3 is a front view of the design;

FIG. 4 is a left end view thereof, the right end being a mirror image; and,

FIG. 5 is a top plan view thereof. 

The ornamental design for a seal for a doctor blade chamber device for a printing machine, as shown in the accompanying drawings. 